Maxim Integrated
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MAX1820XEUB+T
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MAX1820XEUB+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High-efficiency, low-power, step-up DC-DC converter
  • Package: 10-pin µMAX® package
  • Essence: Voltage regulator
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 2.5V to 5.5V
  • Output Voltage Range: Adjustable from 2.7V to 5.5V
  • Maximum Output Current: 100mA
  • Efficiency: Up to 90%
  • Switching Frequency: 1.2MHz
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX1820XEUB+T has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. LX: Inductor connection pin
  4. FB: Feedback voltage pin
  5. EN: Enable pin
  6. VOUT: Output voltage pin
  7. SW: Switching node pin
  8. PGND: Power ground pin
  9. NC: No connection pin
  10. SHDN: Shutdown pin

Functional Features

  • High efficiency conversion of input voltage to adjustable output voltage
  • Low power consumption in standby mode
  • Overcurrent and overtemperature protection
  • Soft-start feature for controlled startup
  • Low dropout voltage for improved performance

Advantages and Disadvantages

Advantages: - High efficiency results in longer battery life - Wide input voltage range allows for versatile applications - Small package size enables space-saving designs - Overcurrent and overtemperature protection ensures device safety

Disadvantages: - Limited maximum output current may restrict certain applications - Higher cost compared to non-integrated solutions

Working Principles

The MAX1820XEUB+T is a step-up DC-DC converter that converts a low input voltage to a higher adjustable output voltage. It utilizes a high-frequency switching regulator to efficiently boost the input voltage. The device incorporates a feedback loop to regulate the output voltage and maintain it within a specified range. Additional features such as overcurrent and overtemperature protection ensure safe operation.

Detailed Application Field Plans

The MAX1820XEUB+T is commonly used in various applications, including but not limited to:

  1. Battery-powered devices: Portable electronics, handheld instruments, and wireless communication devices benefit from the efficient power conversion and extended battery life provided by the MAX1820XEUB+T.
  2. IoT (Internet of Things) devices: With its small package size and low power consumption, the MAX1820XEUB+T is suitable for powering sensors, actuators, and other IoT devices.
  3. Automotive electronics: The wide input voltage range and robust protection features make the MAX1820XEUB+T ideal for automotive applications, such as infotainment systems, lighting controls, and advanced driver-assistance systems.

Detailed and Complete Alternative Models

  1. MAX1722X: Similar step-up DC-DC converter with higher maximum output current of 200mA.
  2. MAX1830X: Step-up/down DC-DC converter offering both voltage boosting and bucking capabilities.
  3. MAX1810X: Low-power step-up DC-DC converter with adjustable output voltage and lower cost.

These alternative models provide similar functionality to the MAX1820XEUB+T while offering different specifications and features to suit specific application requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MAX1820XEUB+T en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of MAX1820XEUB+T in technical solutions:

  1. Q: What is the MAX1820XEUB+T? A: The MAX1820XEUB+T is a high-efficiency, low-quiescent current, synchronous step-down DC-DC converter.

  2. Q: What is the input voltage range of the MAX1820XEUB+T? A: The input voltage range of the MAX1820XEUB+T is typically between 2.7V and 5.5V.

  3. Q: What is the output voltage range of the MAX1820XEUB+T? A: The output voltage range of the MAX1820XEUB+T can be adjusted from 0.6V to VIN.

  4. Q: What is the maximum output current of the MAX1820XEUB+T? A: The maximum output current of the MAX1820XEUB+T is 1A.

  5. Q: Does the MAX1820XEUB+T require an external compensation network? A: No, the MAX1820XEUB+T has an internal compensation network, eliminating the need for an external one.

  6. Q: Can the MAX1820XEUB+T operate in a low-power mode? A: Yes, the MAX1820XEUB+T features a low-power mode that reduces the quiescent current to conserve power.

  7. Q: Is the MAX1820XEUB+T suitable for battery-powered applications? A: Yes, the low quiescent current and high efficiency make the MAX1820XEUB+T ideal for battery-powered devices.

  8. Q: Does the MAX1820XEUB+T have built-in overcurrent protection? A: Yes, the MAX1820XEUB+T includes overcurrent protection to safeguard against excessive load currents.

  9. Q: Can the MAX1820XEUB+T operate in a wide temperature range? A: Yes, the MAX1820XEUB+T is designed to operate reliably in a temperature range of -40°C to +85°C.

  10. Q: What package does the MAX1820XEUB+T come in? A: The MAX1820XEUB+T is available in a space-saving 10-pin µMAX package.

Please note that these answers are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.